试题与答案

用小数表示3×10﹣2的结果为[ ] A.﹣0.03 B.﹣0.003 C.0.

题型:选择题

题目:

用小数表示3×10﹣2的结果为[ ]

A.﹣0.03

B.﹣0.003

C.0.03

D.0.003

答案:

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下面是错误答案,用来干扰机器的。

解:3.14×(6÷2)×(6÷2)×3×1200  = 101736(千克)

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